Omega Speaker Systems PCI-DAS1002, PCI-DAS1001 manual Board

Page 16

			ource			ard
		l S				ard
	na				o		.
ig				/D	B		.
S				/D		lated
			and	A		lated
			and		dy Iso
				Alrea

						G N D		CH High
						G N D

CH Low

10 K

LL GND

+

Inp ut		To A /D
A m p		To A /D
A m p

-

These grounds are electrically isolated .

I/O	A /D Board
C onn ector

10K is a recom m e nded value . You m ay sho rt LL G N D to C H Low instead, b ut this w ill re duce yo ur system ’s noise im m u nity.

Already isolated signal source and A/D board connected to a differential input.

13

Image 16

Contents Users Guide Table of Contents BADR0 BADR1 BADR2BADR3 BADR4Introduction Installation IntroductionRUN InstaCal DOS and/or WindowsConnector PIN Diagram Hardware ConnectionsSingle-Ended and Differential Inputs Analog ConnectionsSingle-Ended Inputs Differential Input Differential InputsSystem Grounds and Isolation Which system do you have?Small Common Mode Voltages Systems with Common Mode ground offset VoltagesLarge Common Mode Voltages PCI-DAS1000 and signal source already have isolated grounds Ground Category Input Configuration Our view Board Board Programming & Software Applications SELF-CALIBRATION of the PCI-DAS1000 Analog InputsAnalog Outputs BADR0 BADR1Interrupt / ADC Fifo Register Region Function OperationsInte EoaieIntcl AdflclADC Channel MUX and Control Register BADR1 + CHL8-CHL1, CHH8-CHH1Pacer Source EOC= ADC Done = ADC Busy TS10 Trigger CONTROL/STATUS Register BADR1 +ARM Fifo Mode Sample CTR C0SRCXtrig IndxgtCalibration Register BADR1 +DAC Channel Cal Function Cal SourceDacen Mode DAC CONTROL/STATUS Register BADR1 +DACnR10 DACnR1 DACnR0 Range LSB SizeBADR2 ADC Data Register BADR2 +ADC Fifo Clear Register BADR2 + MSB LSBBADR3 ADC Pacer Clock Data and Control RegistersBADR3 + Device Counter # FunctionADC 8254 Control Register Digital I/O Data and Control RegistersDIO Port a Data DIO Port B DataDIO Control Register DIO Port C DataPort a Port C Port B Upper Lower OUT Index and User Counter 4 Data and Control Registers 8254B Counter 1 Data User Counter #58254B Counter 2 Data User Counter #6 BADR3 + Ah8254B Control Register BADR3 + BhBADR4 1 DAC0 Data RegisterBADR4 + 2 DAC1 Data RegisterElectrical Specifications Analog Output Power consumption EnvironmentalEC Declaration of Conformity